Model comparison

Claude Opus 4.5 vs video-SALMONN 2+

Claude Opus 4.5 has enough public results to be ranked (#39); video-SALMONN 2+ does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Claude Opus 4.5 Anthropic

50.5

Rank #39 Confirmed

video-SALMONN 2+ ByteDance Seed

40.8

Unranked Sparse

Summary

  • The widest gap is in multimodal, where video-SALMONN 2+ leads 41.7 to 31.1.

Side by side

Claude Opus 4.5 and video-SALMONN 2+ specifications
Claude Opus 4.5video-SALMONN 2+
ProviderAnthropicByteDance Seed
Noometry Index50.540.8
Released2025-11-012025-06-18
WeightsProprietaryProprietary
Context window200K—
Max output64K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked691

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Category by category

Coding Not comparable

Claude Opus 4.5: 55.4 (#21), video-SALMONN 2+: —

Coding benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
SWE-bench Verified76.7%—
SWE-bench Verified (bash only)76.8%—
LMArena WebDev1493—
SWE-bench Multilingual70.7%—
GSO26.5%—
WeirdML63.7%—
LMArena Coding1504—
ALE-Bench1,025—
AlgoTune1.77—

Agentic & Tool Use Not comparable

Claude Opus 4.5: 47.2 (#11), video-SALMONN 2+: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
Terminal-Bench63.1%—
Berkeley Function Calling Leaderboard77.5%—
GDPval45.5%—
Remote Labor Index3.8%—
τ²-bench Airline84%—
τ²-bench Banking24.7%—
τ²-bench Retail79.6%—
τ²-bench Telecom92.3%—
Cybench82%—
DeepResearch Bench54.8%—
OSWorld66.3%—
BALROG43.5%—
LMArena Search1180—
METR Time Horizons75%—
Vending-Bench 24,967—

Reasoning Not comparable

Claude Opus 4.5: 42.5 (#43), video-SALMONN 2+: —

Reasoning benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
ARC-AGI-237.6%—
SimpleBench62%—
Kagi LLM Benchmark80.2%—
NYT Connections (extended)52.5%—
ARC-AGI-180%—
Chess Puzzles12%—
EnigmaEval11.9%—
EBR-Bench14.3%—
LMArena Hard Prompts1476—
Mystery Game Puzzles22%—
DTBench89.9%—
LMCA44.5%—
Epoch Capabilities Index150.1—
ForecastBench60.7—

Math Not comparable

Claude Opus 4.5: 38.5 (#85), video-SALMONN 2+: —

Math benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
FrontierMath (Tiers 1-3)34.4%—
FrontierMath Tier 44.9%—
OTIS Mock AIME 2024-202586.1%—
ProofBench36%—
LMArena Math1463—
FrontierMath (Feb 2025 set)20.7%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Not comparable

Claude Opus 4.5: 56.4 (#38), video-SALMONN 2+: —

Knowledge benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
GPQA Diamond86%—
Humanity's Last Exam25.2%—
SimpleQA Verified45.7%—
Vectara Hallucination Rate10.9%—
LMArena Expert1488—

Multimodal video-SALMONN 2+ leads

Claude Opus 4.5: 31.1 (#99), video-SALMONN 2+: 41.7

Multimodal benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
Video-MME—79.7%
GeoBench75%—
VPCT40%—
Furniture Assembly28.3%—
LMArena Document1462—

Multilingual Not comparable

Claude Opus 4.5: 54.5 (#45), video-SALMONN 2+: —

Multilingual benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
LMArena Non-English1438—
LMArena Chinese1470—
LMArena French1471—
LMArena German1449—
LMArena Japanese1415—
LMArena Korean1424—
LMArena Russian1448—
LMArena Spanish1455—

Instruction Following Not comparable

Claude Opus 4.5: 77.7 (#20), video-SALMONN 2+: —

Instruction Following benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
LMArena Instruction Following1478—

Long Context Not comparable

Claude Opus 4.5: 46.4 (#21), video-SALMONN 2+: —

Long Context benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
CL-bench21.1%—
LMArena Longer Query1480—

Writing & Preference Not comparable

Claude Opus 4.5: 68.2 (#28), video-SALMONN 2+: —

Writing & Preference benchmarks
BenchmarkClaude Opus 4.5video-SALMONN 2+
LMArena Text1451—
LMArena Creative Writing1445—
EQ-Bench Creative Writing1687—
LMArena Multi-Turn1466—

Frequently asked questions

Is Claude Opus 4.5 better than video-SALMONN 2+?

Claude Opus 4.5 has enough public results to be ranked (#39); video-SALMONN 2+ does not yet, so treat this comparison as directional.

How many benchmarks do Claude Opus 4.5 and video-SALMONN 2+ share?

0 benchmarks have published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and video-SALMONN 2+ has 1.

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